Iowa Paycheck Calculator
Estimate your Iowa take-home pay after federal tax, FICA, and Iowa state income tax. Enter your gross pay, filing status, and pre-tax deductions to see your net pay per paycheck.
2026 rate, standard deduction, and personal exemption verified against Tax Foundation 2026 data.
- Take-home$52,549.30 · 80.85%
- Federal tax$5,620.00 · 8.65%
- Social Security + Medicare$4,972.50 · 7.65%
- Iowa tax$1,858.20 · 2.86%
| Item | Per bi-week | % of gross |
|---|---|---|
| Gross pay | $2,500.00 | 100% |
| Federal withholding | $216.15 | 8.65% |
| Social Security | $155.00 | 6.20% |
| Medicare | $36.25 | 1.45% |
| Iowa income tax | $71.47 | 2.86% |
| Take-home pay | $2,021.13 | 80.85% |
Iowa finished a long climb down from nine brackets
Iowa used to have one of the more complicated income tax systems in the country, with many brackets and a top rate approaching 9%. It has now completed a multi-year transition to a single flat rate of 3.8% — one of the largest simplifications any state has made in recent years.
Anyone comparing Iowa against old data will overstate the cost significantly. The state now sits among the cheaper flat-tax states rather than the expensive bracketed ones, which changes how an Iowa offer compares with Illinois, Minnesota, or Nebraska.
A low rate paired with a large deduction
Iowa combines its 3.8% rate with a standard deduction matching the federal figure. That pairing — low rate, generous deduction — makes Iowa's effective state tax on a middle income genuinely modest, well below the headline percentage.
It is a different design from Pennsylvania's, which pairs an even lower rate with no deduction at all, and the two produce very different bills at the same salary. Rate alone is not a useful comparison between flat states.
Retirement income is largely excluded
Iowa exempts most retirement income from state tax for taxpayers who meet the age requirement, covering pensions, IRA and 401(k) distributions, and similar income. Social Security benefits are also excluded from Iowa taxable income.
As in Illinois, this tilts the traditional-versus-Roth calculation for anyone expecting to retire in state: pre-tax contributions take the 3.8% deduction now and may face no Iowa tax on withdrawal later.
What is withheld, and what to check
Federal income tax, Social Security to the annual cap, Medicare with the high-earner surcharge, and Iowa's flat 3.8% on income above the standard deduction. Iowa has no local income tax on wages and no employee payroll programme premium.
Iowa Form IA W-4 governs state withholding. Because the rate structure changed across several years, withholding set up under the old bracketed system and never revisited is a live risk — worth checking a stub against the current flat rate.
How Iowa taxes your paycheck
Iowa has a flat 3.8% state income tax. Use the calculator above to estimate your take-home pay after all withholdings.
Every US paycheck also has federal income tax, Social Security (6.2% up to the annual wage base), and Medicare (1.45%, plus 0.9% on high earners) withheld. Your taxable income is your gross pay minus pre-tax deductions such as 401(k) and pre-tax health premiums.
Frequently Asked Questions
How much is taken out of a paycheck in Iowa?
Iowa paychecks have federal income tax, Social Security (6.2%), and Medicare (1.45%) withheld, plus a flat 3.8% state income tax. The exact amount depends on your pay, filing status, and pre-tax deductions.
Does Iowa have a state income tax?
Yes. Iowa levies a flat 3.8% state income tax in addition to federal taxes.
How is this take-home estimate calculated?
It applies 2026 estimated federal brackets, FICA rates, state income-tax rates, local taxes where configured, and employee payroll-program rates to your annual pay minus pre-tax deductions, then divides by your pay frequency. It is a simplified estimate, not official payroll withholding.
Does Iowa still have nine tax brackets?
No. Iowa completed a multi-year transition to a single flat rate of 3.8%, down from a bracketed system with a top rate near 9%. Comparisons based on older Iowa data overstate the tax substantially.
Does Iowa tax retirement income?
Iowa exempts most retirement income for taxpayers meeting the age requirement, including pensions and IRA and 401(k) distributions, and it does not tax Social Security benefits.
Is my Iowa withholding still set up for the old brackets?
It may be. Withholding configured under the previous bracketed system and never revisited is a real risk given how recently the structure changed — worth checking a current pay stub against the flat 3.8% rate.